forked from OSchip/llvm-project
59 lines
2.3 KiB
LLVM
59 lines
2.3 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/dot-dumper.ll -o %t2.bc
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; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t3 \
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; RUN: -r=%t1.bc,main,px \
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; RUN: -r=%t1.bc,main_alias,p \
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; RUN: -r=%t1.bc,foo, \
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; RUN: -r=%t1.bc,A, \
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; RUN: -r=%t2.bc,foo,p \
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; RUN: -r=%t2.bc,bar,p \
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; RUN: -r=%t2.bc,A,p \
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; RUN: -r=%t2.bc,B,p
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; Never assume specific order of clusters, nodes or edges
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; RUN: cat %t3.index.dot | FileCheck --check-prefix=STRUCTURE %s
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; RUN: cat %t3.index.dot | FileCheck --check-prefix=CLUSTER0 %s
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; RUN: cat %t3.index.dot | FileCheck --check-prefix=CLUSTER1 %s
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; STRUCTURE: digraph Summary {
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; STRUCTURE-DAG: subgraph cluster_0
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; STRUCTURE-DAG: subgraph cluster_1
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; STRUCTURE: // Cross-module edges:
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; STRUCTURE-DAG: M0_{{[0-9]+}} -> M1_{{[0-9]+}} // call
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; STRUCTURE-DAG: M0_{{[0-9]+}} -> M1_{{[0-9]+}} [{{.*}}]; // ref
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; STRUCTURE-NEXT: }
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; CLUSTER0: // Module: {{.*}}1.bc
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; CLUSTER0-NEXT: subgraph cluster_0 {
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; CLUSTER0-DAG: M0_[[MAIN_ALIAS:[0-9]+]] [{{.*}}main_alias{{.*}}]; // alias, dead
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; CLUSTER0-DAG: M0_[[MAIN:[0-9]+]] [{{.*}}main|extern{{.*}}]; // function
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; CLUSTER0-NEXT: // Edges:
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; CLUSTER0-NEXT: M0_[[MAIN_ALIAS]] -> M0_[[MAIN]] [{{.*}}]; // alias
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; CLUSTER0-NEXT: }
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; CLUSTER1: // Module: {{.*}}2.bc
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; CLUSTER1-NEXT: subgraph cluster_1 {
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; CLUSTER1-DAG: M1_[[A:[0-9]+]] [{{.*}}A|extern{{.*}}]; // variable
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; CLUSTER1-DAG: M1_[[FOO:[0-9]+]] [{{.*}}foo|extern{{.*}}]; // function, not eligible to import
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; CLUSTER1-DAG: M1_[[B:[0-9]+]] [{{.*}}B|extern{{.*}}]; // variable
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; CLUSTER1-DAG: M1_[[BAR:[0-9]+]] [{{.*}}bar|extern{{.*}}]; // function, dead
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; CLUSTER1-NEXT: // Edges:
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; CLUSTER1-DAG: M1_[[FOO]] -> M1_[[B]] [{{.*}}]; // ref
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; CLUSTER1-DAG: M1_[[FOO]] -> M1_[[A]] [{{.*}}]; // ref
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; CLUSTER1-DAG: }
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = external local_unnamed_addr global i32, align 4
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; Function Attrs: nounwind uwtable
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define i32 @main() local_unnamed_addr {
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%1 = tail call i32 (...) @foo()
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%2 = load i32, i32* @A, align 4
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%3 = add nsw i32 %2, %1
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ret i32 %3
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}
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@main_alias = weak_odr alias i32 (), i32 ()* @main
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declare i32 @foo(...) local_unnamed_addr
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